# Cat® Inspect vs Metso Dynamic Service Key

The clearest difference is update cadence: Cat® Inspect at every 2 months against Metso Dynamic Service Key's every 21 months. Cat® Inspect also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cat® Inspect ships an update every 2 months, Metso Dynamic Service Key every 21 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cat® Inspect | Metso Dynamic Service Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (23 ratings)](https://appshunter.io/ios/app/cat-inspect/id1364673170/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 14.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | — |
| Size | 42 MB | 14 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [Metso Finland Oy](https://appshunter.io/developer/1311427391) |

## What reviewers say

### Cat® Inspect

[App page](https://appshunter.io/ios/app/cat-inspect/id1364673170)

Streamline asset inspections with pre-defined checklists and custom forms. Capture photos, add comments, and rate equipment. Access completed inspection data via a web portal for efficient follow-up and management.

**Highlights:** Download pre-defined inspection tasks, Complete inspection forms, Include pictures and comments, Rate Cat and non-Cat assets, Streamlined web portal access, Create custom inspection forms

**Features:** Vision Pro support

**In-app purchases:** none


### Metso Dynamic Service Key

[App page](https://appshunter.io/ios/app/metso-dynamic-service-key/id1556642990)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat® Inspect free?

Cat® Inspect is free to download, with no in-app purchases.

### Is Metso Dynamic Service Key free?

Metso Dynamic Service Key is free to download, with no in-app purchases.

### Do Cat® Inspect or Metso Dynamic Service Key have ads?

Neither Cat® Inspect nor Metso Dynamic Service Key shows ads.

### Which is updated more often, Cat® Inspect or Metso Dynamic Service Key?

Cat® Inspect ships an update every 2 months, and Metso Dynamic Service Key every 21 months. Most recently, Cat® Inspect was updated on November 2, 2026 and Metso Dynamic Service Key on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*